Home / 12,688,013.25-17,509,475.99-6,886,796.18

Finding the Fourth Proportional to 12,688,013.25, 17,509,475.99 and 6,886,796.18

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Solution

The fourth proportional to 12,688,013.25, 17,509,475.99 and 6,886,796.18 is: 9,503,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,013.25 : 17,509,475.99 = 6,886,796.18 : x
  2. Step 2: Convert to fraction form
    12,688,013.25/17,509,475.99 = 6,886,796.18/x
  3. Step 3: Cross multiply
    12,688,013.25x = 17,509,475.99 × 6,886,796.18
  4. Step 4: Simplify right side
    12,688,013.25x = 120,584,192,405,507.41
  5. Step 5: Solve for x
    x = 120,584,192,405,507.41/12,688,013.25
  6. Step 6: Final answer
    x = 9,503,788.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.